President Trump's admiration for William McKinley reveals a strategic blueprint for his second term. Trump has explicitly modeled his approach on McKinley's tariff-driven prosperity, which historically made America wealthy through protectionist measures. This ideological foundation suggests continued trade conflicts with potential market disruptions for international businesses operating in global supply chains.

The president's foreign policy trajectory mirrors McKinley's imperial expansion with interventions in Venezuela, Iran, and potentially Cuba. Trump's confrontational stance extends beyond economics, including clashes with Pope Leo over U.S. military actions. This combination of protectionism and aggressive foreign policy creates uncertainty for global markets and multinationals with exposure to these strategically important regions.

Trump's revival of 19th-century economic nationalism signals a departure from modern free trade consensus. Businesses face renewed challenges as the administration prioritizes economic nationalism over international cooperation. The McKinley model, while historically successful in isolation, presents significant risks in today's interconnected global economy with supply chains vulnerable to abrupt policy shifts.